全球推力最大的整體式固體火箭發(fā)動(dòng)機(jī)在陜?cè)囓嚦晒?/title> <meta name="renderer" content="webkit" /> <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> <meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0" /> <meta name="keywords" content="整體式固體火箭發(fā)動(dòng)機(jī) 固體發(fā)動(dòng)機(jī) 工藝仿真復(fù)雜工況最大推力航天發(fā)射市場(chǎng) 研制運(yùn)載能力分段式" /> <meta name="description" content="　　本報(bào)訊（記者沈謙）10月19日，由中國航天科技集團(tuán)第四研究院（以下簡(jiǎn)稱航天四院）自主研制、全球推力最大、沖質(zhì)比最高的整體式固體火箭發(fā)動(dòng)機(jī)地面熱試車在西安獲得成功。該發(fā)動(dòng)機(jī)直徑3.5米，裝藥量150" /> <meta name="copyright" content="人民網(wǎng)版權(quán)所有" /> <meta name="filetype" content="0"> <meta name="publishedtype" content="1"> <meta name="pagetype" content="1"> <meta name="catalogs" content="L_378288"> <meta name="contentid" content="L_34964718"> <meta name="publishdate" content="2021-10-20"> <meta name="author" content="L_104644"> <meta name="editor" content=""> <meta name="source" content="來源：陜西日?qǐng)?bào)"> <meta 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<a target="_blank">人民周刊</a> </div><h3 class="cf">旗下網(wǎng)站</h3> <div id="z4to0y8oz" class="more_con cf"> <a target="_blank">國家重點(diǎn)實(shí)驗(yàn)室</a> <a target="_blank">環(huán)球網(wǎng)</a> <a target="_blank">海外網(wǎng)</a> <a target="_blank">人民圖片</a> <a target="_blank">人民視覺</a> <a target="_blank">人民網(wǎng)研究院</a> </div></div> </div>  <div id="z4to0y8oz" class="layout route cf" id="rwb_navpath"> <a class="clink">人民網(wǎng)</a>>><a href="http://hkjlm.com/" class="clink">陜西頻道</a>>><a href="http://hkjlm.com/GB/378288/" class="clink">陜西</a> </div>  <div id="z4to0y8oz" class="layout rm_txt cf"> <div id="z4to0y8oz" class="col col-1"> <h3 class="pre"></h3> <h1 id="newstit">全球推力最大的整體式固體火箭發(fā)動(dòng)機(jī)在陜?cè)囓嚦晒?/h1> <h4 class="sub">我國大型整體式固體火箭發(fā)動(dòng)機(jī)技術(shù)達(dá)世界領(lǐng)先水平</h4> <div id="z4to0y8oz" class="author cf"></div> <div id="z4to0y8oz" class="channel cf"> <div id="z4to0y8oz" class="col-1-1"> 2021年10月20日08:47 | 來源：<a target="_blank">陜西日?qǐng)?bào)</a> </div> <div id="z4to0y8oz" class="col-1-2 fr"> <span id="z4to0y8oz" class="rm_type"><img src="/img/2020wbc/imgs/icon_type.png" alt=""><i>小字號(hào)</i></span> </div> </div> <div id="z4to0y8oz" class="rm_txt_con cf"> <div id="z4to0y8oz" class="box_pic"></div> <div id="z4to0y8oz" class="otitle">原標(biāo)題：全球推力最大的整體式固體火箭發(fā)動(dòng)機(jī)在陜?cè)囓嚦晒?/div><p> 　　本報(bào)訊（記者沈謙）10月19日，由中國航天科技集團(tuán)第四研究院（以下簡(jiǎn)稱航天四院）自主研制、全球推力最大、沖質(zhì)比最高的整體式固體火箭發(fā)動(dòng)機(jī)地面熱試車在西安獲得成功。該發(fā)動(dòng)機(jī)直徑3.5米，裝藥量150噸，推力達(dá)500噸，采用高壓強(qiáng)總體設(shè)計(jì)、高性能纖維復(fù)合材料殼體、高裝填整體澆注成型燃燒室、超大尺寸噴管等先進(jìn)技術(shù)，發(fā)動(dòng)機(jī)綜合性能達(dá)到世界領(lǐng)先水平。試驗(yàn)的成功，打通了我國千噸級(jí)推力固體發(fā)動(dòng)機(jī)發(fā)展的關(guān)鍵技術(shù)鏈路，標(biāo)志著我國固體運(yùn)載能力實(shí)現(xiàn)大幅提升，對(duì)推動(dòng)未來大型、重型運(yùn)載火箭技術(shù)發(fā)展具有重要意義。</p> <p> 　　近年來，我國固體火箭發(fā)動(dòng)機(jī)技術(shù)成績(jī)喜人，但大型、超大型固體發(fā)動(dòng)機(jī)與國家航天運(yùn)載火箭的長(zhǎng)遠(yuǎn)發(fā)展需求還存在一定差距。掌握或擁有超大直徑、推力數(shù)百噸甚至千噸級(jí)的大型固體發(fā)動(dòng)機(jī)技術(shù)，對(duì)于我國運(yùn)載火箭動(dòng)力技術(shù)下一步發(fā)展至關(guān)重要。</p> <p> 　　航天四院瞄準(zhǔn)世界航天發(fā)展前沿和我國運(yùn)載火箭對(duì)大推力高性能固體火箭發(fā)動(dòng)機(jī)的技術(shù)需求，立足固體火箭發(fā)動(dòng)機(jī)“整體式”和“分段式”技術(shù)路線，先期開展了大型固體發(fā)動(dòng)機(jī)的研究攻關(guān)。2009年，在國內(nèi)率先成功研制直徑2米、推力120噸，當(dāng)時(shí)國內(nèi)最大的整體式固體火箭發(fā)動(dòng)機(jī)，直接推動(dòng)了我國長(zhǎng)征系列運(yùn)載火箭中第一型全固體運(yùn)載火箭CZ-11的立項(xiàng)研制，成為我國固體動(dòng)力邁向宇航運(yùn)載領(lǐng)域的重要里程碑。2019年，為進(jìn)一步提升固體運(yùn)載能力和商業(yè)航天市場(chǎng)競(jìng)爭(zhēng)力，航天四院又自主成功研制了直徑2.6米、推力200噸的整體式固體發(fā)動(dòng)機(jī)，在進(jìn)一步提升我國航天固體動(dòng)力運(yùn)載能力的同時(shí)，推動(dòng)了捷龍-3商業(yè)航天運(yùn)載火箭的立項(xiàng)研制。此次直徑3.5米、推力500噸大型發(fā)動(dòng)機(jī)試車成功，將為我國新型固體運(yùn)載火箭提供更強(qiáng)勁、性價(jià)比更高的先進(jìn)動(dòng)力，顯著增強(qiáng)固體火箭在商業(yè)航天發(fā)射市場(chǎng)的競(jìng)爭(zhēng)力。</p> <p> 　　據(jù)專家介紹，此次試車成功的發(fā)動(dòng)機(jī)采用了一系列先進(jìn)技術(shù)。在設(shè)計(jì)上，針對(duì)大型發(fā)動(dòng)機(jī)存在的燃燒、流動(dòng)與熱結(jié)構(gòu)等難題，創(chuàng)新提出新結(jié)構(gòu)、新方法和新技術(shù)，并基于統(tǒng)一模型進(jìn)行了50多種復(fù)雜工況的性能和工藝仿真，準(zhǔn)確指導(dǎo)最終結(jié)構(gòu)的確定。</p> <p> 　　據(jù)航天四院相關(guān)負(fù)責(zé)人介紹，目前，在500噸推力整體式固體發(fā)動(dòng)機(jī)的基礎(chǔ)上，航天四院在開展直徑3.5米級(jí)分段發(fā)動(dòng)機(jī)的研究，該發(fā)動(dòng)機(jī)分5段，最大推力將達(dá)到千噸以上，可應(yīng)用于大型、重型運(yùn)載火箭固體助推器中，以滿足我國空間裝備、載人登月、深空探索等航天活動(dòng)對(duì)于運(yùn)載工具的不同需求。</p> <div id="z4to0y8oz" class="zdfy clearfix"></div><center><table border="0" align="center" width="40%"><tr></tr></table></center> <div id="z4to0y8oz" class="box_pic"></div> <div id="z4to0y8oz" class="edit cf">(責(zé)編：鄒星、吳超)</div> <p class="paper_num"><em class="section-common-share-wrap">分享讓更多人看到 <i class="btn_share_common"><img src="/img/2020wbc/imgs/share.png" alt=""></i> </em></p> </div> <div id="z4to0y8oz" class="rm_relevant rm_download cf"> <h5><span></span>客戶端下載</h5> <ul> <li><a 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